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53 lines
1.5 KiB
Markdown
53 lines
1.5 KiB
Markdown
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# Redis 集群配置
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## 使用方式
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集群拓扑：
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- 三主六从，每个主节点有两个从节点。
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- 三哨兵，分别监听其中一个主节点。
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启动方式：
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- 先执行 start-cluster.sh，会自动根据 6381 ~ 6389 目录启动服务器，并将其配置为集群。
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- 再执行 start-sentinel.sh，会根据 26381 ~ 26383 目录启动哨兵，监听集群中的三个主节点。
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## 配置
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（1）集群服务器配置 redis.conf
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```
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port 6381
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bind 0.0.0.0
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daemonize yes
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cluster-enabled yes
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cluster-config-file /usr/local/redis/conf/6381/6381.conf
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cluster-node-timeout 10000
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appendonly yes
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dir /usr/local/redis/conf/6381
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pidfile /usr/local/redis/conf/6381/6381.pid
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logfile /usr/local/redis/conf/6381/6381.log
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```
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端口号、配置目录（`/usr/local/redis/conf`）根据实际情况修改。
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（2）哨兵服务器配置 sentinel.conf
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```
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port 26383
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daemonize yes
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sentinel monitor redis-master 172.22.6.3 6383 2
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sentinel down-after-milliseconds redis-master 5000
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sentinel failover-timeout redis-master 900000
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sentinel parallel-syncs redis-master 1
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#sentinel auth-pass redis-master 123456
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logfile /usr/local/redis/conf/26383/26383.log
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```
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端口号、配置目录（`/usr/local/redis/conf`）根据实际情况修改。
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最重要的配置在于：sentinel monitor redis-master 172.22.6.3 6383 2
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表示监听的服务器集群名叫 redis-master，当前哨兵监听的服务器节点是：172.22.6.3:6383，这个节点如果是主节点，一旦宕机，选举新的主节点，需要至少 2 个哨兵同意。
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